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Why does Html.ActionLink render “?Length=4”

...alues. In the case of a string object, the only public property is Length, and since there will be no routes defined with a Length parameter it appends the property name and value as a query string parameter. You'll probably find if you run this from a page not on HomeController it will throw an err...
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Subset of rows containing NA (missing) values in a chosen column of a data frame

...m a CSV file. The data frame DF has columns that contain observed values and a column ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data. ...
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Is there a CSS selector for elements containing certain text?

.... You can match on an element, the name of an attribute in the element, and the value of a named attribute in an element. I don't see anything for matching content within an element, though. share | ...
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The Difference Between Deprecated, Depreciated and Obsolete [closed]

There is a lot of confusion about this and I'd like to know, what exactly is the difference between depreciated , deprecated and obsolete , in a programming context, but also in general. ...
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Dynamically generating a QR code with PHP [closed]

...rate, the chl is the url-encoded string you want to change into a QR code, and the choe is the (optional) encoding. The link, above, gives more detail, but to use it just have the src of an image point to the manipulated value, like so: <img src="https://chart.googleapis.com/chart?chs=300x300&...
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Colorizing text in the console with C++

... Add a little Color to your Console Text HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE); // you can loop k higher to see more color choices for(int k = 1; k < 255; k++) { // pick the colorattribute k you want SetConsoleTextAttribute(hConsole, k); ...
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How to write an async method with out parameter?

...el CLR rewrite instead of a compiler-rewrite. We examined that approach, and it had a lot going for it, but it would ultimately have been so costly that it'd never have happened. A typical workaround for this situation is to have the async method return a Tuple instead. You could re-write yo...
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Batch File; List files in directory, only filenames?

...t I'm having trouble with it. Basically, I am trying to write a Batch File and I need it to list all the files in a certain directory. The dir command will do this, but it also gives a bunch of other information; I want it to list ONLY the file names and exclude anything else. ...
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How to template If-Else structures in data-bound views?

... There are a couple different ways that you can handle this type of code. with an if/ifnot combination like you are now. This works fine and is not terribly verbose. Michael Best's switch/case binding (https://github.com/mbest/knockout-switch-case) is quite flexible and ...
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How to check 'undefined' value in jQuery

... JQuery library was developed specifically to simplify and to unify certain JavaScript functionality. However if you need to check a variable against undefined value, there is no need to invent any special method, since JavaScript has a typeof operator, which is simple, fast and...